package com.nuo.test.simplServlet;

import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;

public class HttpServer {

	/**
	 * web_root is the directory where our HTML and other files resid.
	 */
	public static final String WEB_ROOT = System.getProperty("user.dir")
			+ File.separator + "webroot";

	// shutdown command
	private static final String SHUTDOWN_COMMAND = "/SHUTDOWN";

	// the shutdown command received
	private boolean shutdown = false;

	public static void main(String[] args) {
		HttpServer server = new HttpServer();

		server.await();

	}

	public void await() {
		ServerSocket serverSocket = null;
		int port = 8080;

		try {
			serverSocket = new ServerSocket(port, 1,
					InetAddress.getByName("127.0.0.1"));
		} catch (Exception e) {
			e.printStackTrace();
			System.exit(1);
		}

		// loop waiting for a request
		while (!shutdown) {
			Socket socket = null;
			
			InputStream input = null;
			OutputStream output = null;
			
			try{
				socket = serverSocket.accept();
				
				input = socket.getInputStream();
				output = socket.getOutputStream();
				
				Request request = new Request(input);
				request.parse();
				
				Response response = new Response(output);
				response.setRequest(request);
				response.sendStaticResource();
				
				socket.close();
				shutdown = SHUTDOWN_COMMAND.equals(request.getUri());
				
			}catch (Exception e){
				e.printStackTrace();
				continue;
			}
			

		}

	}

}
